4062621 has 4 divisors (see below), whose sum is σ = 5416832. Its totient is φ = 2708412.

The previous prime is 4062613. The next prime is 4062623. The reversal of 4062621 is 1262604.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4062621 - 2³ = 4062613 is a prime.

It is a D-number.

It is a Duffinian number.

4062621 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4062623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677101 + ... + 677106.

It is an arithmetic number, because the mean of its divisors is an integer number (1354208).

Almost surely, 2^4062621 is an apocalyptic number.

It is an amenable number.

4062621 is a deficient number, since it is larger than the sum of its proper divisors (1354211).

4062621 is a wasteful number, since it uses less digits than its factorization.

4062621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354210.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4062621 is about 2015.5944532569. The cubic root of 4062621 is about 159.5641916261.

The spelling of 4062621 in words is "four million, sixty-two thousand, six hundred twenty-one".